the comedian, stephen colbert, testifying before congress at a hearing on immigration. he was there because he had done a segment on his show when he spent a day working in the fields to see what it was like to be a migrant farm worker. he came to the hearing, however, in character, as a blow-hard tv commentator. and he stayed in character the entire time. he did not, however, get the laughs he's used to getting on his show. >> it is an honor and a privilege to be here today. congresswoman lofgren asked me to share my vast experience spending one day as a migrant farm worker. i'm happy to use my celebrity to draw attention to this important, complicated issue. i have to say, and i do mean this sincerely, please don't make me do this again. it is really, really hard. maybe this ag jobs bill would help. i don't know. like most members of congress, i haven't read it. the point is, we have to do something. i'm not going back out there. i trust that following my testimony, both sides will work together on this issue in the best interest of the american people, as you always